Australia
New Zealand
Greece
Flexible general‑purpose control for metering, scheduling, and auxiliary building applications
The i‑Vu® UC Open (OPN‑UC) is a versatile application controller designed for a wide range of non‑terminal HVAC and building control tasks, delivering open BACnet communication, stand‑alone operation, and seamless integration with the Carrier i‑Vu® Building Automation System.
Universal programmable controller provides auxiliary building control to interface with lighting, fans, pumps, and other HVAC equipment. 6 inputs/5 outputs.
The UC Open controller provides auxiliary building control to interface with lighting, fans, pumps, and other HVAC equipment. The UC Open’s factory-engineered control programs provide simple building integration for commercial applications with 11 I/O point capability.
BACnet Advanced Application Controller (B‑AAC)
(BACnet 135‑2001 Annex L)
BACnet MS/TP via EIA‑485
Local access port for startup and troubleshooting
Rnet port for Carrier sensors and touchscreen interfaces
6 configurable inputs (thermistor, dry contact, limited 0–5 VDC)
5 binary relay outputs (1 A @ 24 VAC/VDC)
24 VAC ±10% (18 VA) or 26 VDC
Battery‑backed real‑time clock with 10‑year CR2032 battery
UC Open is designed for general‑purpose and auxiliary control, such as metering, scheduling, and interlocks, rather than direct zone airflow or temperature control.
Yes. It supports BTU, electric, gas, fuel oil, and water metering when configured with appropriate sensors and logic.
Yes. It can operate independently using its onboard clock and control logic or as part of an i‑Vu BAS.
Yes. Its compact design, open BACnet MS/TP communication, and flexible application library make it ideal for retrofits and system expansions.
Get directed to our Business Development team to start the authorization process and discuss sales support.
Get specialized help with system sizing, load
calculation analysis, and technical data required for project design.
Request support for warranty claims,
scheduled maintenance, and genuine spare
parts ordering.
For more information : ahi@ahi-carrier.com